Base | Representation |
---|---|
bin | 1101110110101011111… |
… | …1110011001110001001 |
3 | 211202100220102222210211 |
4 | 3131222333303032021 |
5 | 12344430141423144 |
6 | 301202154241121 |
7 | 23124213156001 |
oct | 3355277631611 |
9 | 752326388724 |
10 | 238018311049 |
11 | 91a41149a82 |
12 | 3a167a261a1 |
13 | 195a2968b0c |
14 | b73d3dd001 |
15 | 62d0eb4034 |
hex | 376aff3389 |
238018311049 has 8 divisors (see below), whose sum is σ = 238229460000. Its totient is φ = 237807259392.
The previous prime is 238018311007. The next prime is 238018311061. The reversal of 238018311049 is 940113810832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 238018311049 - 225 = 237984756617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (238018311649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5391337 + ... + 5435305.
It is an arithmetic number, because the mean of its divisors is an integer number (29778682500).
Almost surely, 2238018311049 is an apocalyptic number.
It is an amenable number.
238018311049 is a deficient number, since it is larger than the sum of its proper divisors (211148951).
238018311049 is a wasteful number, since it uses less digits than its factorization.
238018311049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48647.
The product of its (nonzero) digits is 41472, while the sum is 40.
The spelling of 238018311049 in words is "two hundred thirty-eight billion, eighteen million, three hundred eleven thousand, forty-nine".
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